Hello dear forum, I am interested in a 220 SE convertible, EZ 22 September 1960, until 1992 approved in the USA. In the original data card are listed the following equipment codes, which I would have liked to decrypt: 1. 55131 2. 1221/3-180 3. 10337/2 4. USA10014-128 5.55087/5 Point 4 summarizes what a USA version has made up. Of course, I would also be interested in what is behind it in detail. Would be grateful for any help! Greetings Peter